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#!/usr/bin/python3
# Copyright (C) 2020 Wayne Davison
#
# This program is freely redistributable.
import re, argparse
HTML_START = """\
<html><head>
<title>%s</title>
<link href="https://fonts.googleapis.com/css2?family=Roboto&family=Roboto+Mono&display=swap" rel="stylesheet">
<style>
body {
max-width: 50em;
margin: auto;
}
body, b, strong, u {
font-family: 'Roboto', sans-serif;
}
code {
font-family: 'Roboto Mono', monospace;
font-weight: bold;
}
pre code {
display: block;
font-weight: normal;
}
blockquote pre code {
background: #f1f1f1;
}
dd p:first-of-type {
margin-block-start: 0em;
}
</style>
</head><body>
"""
HTML_END = """\
</body></html>
"""
md_parser = None
def main():
for mdfn in args.mdfiles:
if not mdfn.endswith('.md'):
print('Ignoring non-md input file:', mdfn)
continue
title = re.sub(r'.*/', '', mdfn).replace('.md', '')
htfn = mdfn.replace('.md', '.html')
print("Parsing", mdfn, '->', htfn)
with open(mdfn, 'r', encoding='utf-8') as fh:
txt = fh.read()
txt = re.sub(r'\s--\s', '\xa0-- ', txt)
html = md_parser(txt)
html = re.sub(r'(<code>)([\s\S]*?)(</code>)', lambda m: m[1] + re.sub(r'\s', '\xa0', m[2]) + m[3], html)
html = html.replace('--', '‑‑').replace("\xa0-", ' ‑').replace("\xa0", ' ')
html = re.sub(r'(\W)-', r'\1‑', html)
with open(htfn, 'w', encoding='utf-8') as fh:
fh.write(HTML_START % title)
fh.write(html)
fh.write(HTML_END)
def html_via_cmarkgfm(txt):
return cmarkgfm.markdown_to_html(txt)
def html_via_commonmark(txt):
return commonmark.HtmlRenderer().render(commonmark.Parser().parse(txt))
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Output html for md pages.', add_help=False)
parser.add_argument("--help", "-h", action="help", help="Output this help message and exit.")
parser.add_argument("mdfiles", nargs='+', help="The .md files to turn into .html files.")
args = parser.parse_args()
try:
import cmarkgfm
md_parser = html_via_cmarkgfm
except:
try:
import commonmark
md_parser = html_via_commonmark
except:
die("Failed to find cmarkgfm or commonmark for python3.")
main()
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